//
//  AppDelegate.swift
//  MyNotes
//
//  Created by YES on 2020/3/20.
//  Copyright © 2020 YES. All rights reserved.
//

import UIKit
import CoreData
import MinCloud

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {



    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        // Override point for customization after application launch.
        
        //判断是否第一次启动（两个都是第一次则以这个为准）
        if UserDefaults.isFirstLaunch() {
            print("应用第一次启动")
        }
//        这里走到了
        
        if isNewDay(){
            UserDefaults.standard.set(0,forKey: "dailyTimeCount")
        }
        BaaS.register(clientID: "a841b7c7edd38152e535")
        print("register end")
        return true
    }

    // MARK: UISceneSession Lifecycle

    func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
        // Called when a new scene session is being created.
        // Use this method to select a configuration to create the new scene with.
        //在创建新场景会话时调用。
        //使用此方法可以选择配置以创建新场景。
        print("UISceneConfiguration ")
        return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role)
    }

    func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
        print("Called when the user discards a scene session. ")
        // Called when the user discards a scene session.
        // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
        // Use this method to release any resources that were specific to the discarded scenes, as they will not return.
        //当用户放弃场景会话时调用。
        //如果在应用程序未运行时丢弃了任何会话，则将在application:didFinishLaunchingWithOptions后不久调用该会话。
        //使用此方法释放特定于被丢弃场景的任何资源，因为它们不会返回。
    }

    // MARK: - Core Data stack

    lazy var persistentContainer: NSPersistentContainer = {
        /*
         The persistent container for the application. This implementation
         creates and returns a container, having loaded the store for the
         application to it. This property is optional since there are legitimate
         error conditions that could cause the creation of the store to fail.
         应用程序的持久容器。此实现
         创建并返回一个容器，该容器已加载
         对它的应用。此属性是可选的，因为存在合法的
         可能导致存储创建失败的错误条件。
        */
      
        let container = NSPersistentContainer(name: "MyNotes")
        container.loadPersistentStores(completionHandler: { (storeDescription, error) in
            if let error = error as NSError? {
                // Replace this implementation with code to handle the error appropriately.
                // fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
                 
                /*
                 Typical reasons for an error here include:
                 * The parent directory does not exist, cannot be created, or disallows writing.
                 * The persistent store is not accessible, due to permissions or data protection when the device is locked.
                 * The device is out of space.
                 * The store could not be migrated to the current model version.
                 Check the error message to determine what the actual problem was.
                 */
                fatalError("Unresolved error \(error), \(error.userInfo)")
            }
        })
        print("The persistent container for the application. This implementation")
        return container
    }()

    // MARK: - Core Data Saving support

    func saveContext () {
        print("TsaveContext")
        let context = persistentContainer.viewContext
        if context.hasChanges {
            do {
                try context.save()
            } catch {
                // Replace this implementation with code to handle the error appropriately.
                // fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
                //将此实现替换为适当处理错误的代码。
                //fatalError（）导致应用程序生成崩溃日志并终止。您不应该在装运应用程序中使用此函数，尽管它在开发过程中可能很有用。
                let nserror = error as NSError
                fatalError("Unresolved error \(nserror), \(nserror.userInfo)")
            }
        }
    }

}

